X-Git-Url: http://git.linex4red.de/pub/USBasp.git/blobdiff_plain/eee252603be67c539f9986cde76454f756e55d95..1e9e7bc8b88af32f466f7438a06fb8dc96b3035d:/LUFA/Drivers/Board/XMEGA/B1_XPLAINED/Dataflash.h diff --git a/LUFA/Drivers/Board/XMEGA/B1_XPLAINED/Dataflash.h b/LUFA/Drivers/Board/XMEGA/B1_XPLAINED/Dataflash.h index 36058dae7..aefa0d6d6 100644 --- a/LUFA/Drivers/Board/XMEGA/B1_XPLAINED/Dataflash.h +++ b/LUFA/Drivers/Board/XMEGA/B1_XPLAINED/Dataflash.h @@ -1,13 +1,13 @@ /* LUFA Library - Copyright (C) Dean Camera, 2012. + Copyright (C) Dean Camera, 2018. dean [at] fourwalledcubicle [dot] com www.lufa-lib.org */ /* - Copyright 2012 Dean Camera (dean [at] fourwalledcubicle [dot] com) + Copyright 2018 Dean Camera (dean [at] fourwalledcubicle [dot] com) Permission to use, copy, modify, distribute, and sell this software and its documentation for any purpose is hereby granted @@ -29,29 +29,29 @@ */ /** \file - * \brief Board specific Dataflash driver header for the Atmel XMEGA A3BU Xplained. - * \copydetails Group_Dataflash_A3BU_XPLAINED + * \brief Board specific Dataflash driver header for the Atmel XMEGA B1 Xplained. + * \copydetails Group_Dataflash_B1_XPLAINED * * \note This file should not be included directly. It is automatically included as needed by the dataflash driver * dispatch header located in LUFA/Drivers/Board/Dataflash.h. */ /** \ingroup Group_Dataflash - * \defgroup Group_Dataflash_A3BU_XPLAINED A3BU_XPLAINED - * \brief Board specific Dataflash driver header for the Atmel XMEGA A3BU Xplained. + * \defgroup Group_Dataflash_B1_XPLAINED B1_XPLAINED + * \brief Board specific Dataflash driver header for the Atmel XMEGA B1 Xplained. * - * Board specific Dataflash driver header for the Atmel XMEGA A3BU Xplained board. + * Board specific Dataflash driver header for the Atmel XMEGA B1 Xplained board. * * * * - *
NameInfoSelect PinSPI Port
DATAFLASH_CHIP1AT45DB642D (8MB)PORTD.2USARTC0 (In SPI Mode, Remapped)
+ * * * @{ */ -#ifndef __DATAFLASH_A3BU_XPLAINED_H__ -#define __DATAFLASH_A3BU_XPLAINED_H__ +#ifndef __DATAFLASH_B1_XPLAINED_H__ +#define __DATAFLASH_B1_XPLAINED_H__ /* Includes: */ #include "../../../../Common/Common.h" @@ -89,16 +89,21 @@ /* Inline Functions: */ /** Initializes the dataflash driver so that commands and data may be sent to an attached dataflash IC. - * The microcontroller's SPI driver MUST be initialized before any of the dataflash commands are used. + * The appropriate SPI interface will be automatically configured. */ static inline void Dataflash_Init(void) { DATAFLASH_CHIPCS_PORT.DIRSET = DATAFLASH_CHIPCS_MASK; - + PORTCFG.MPCMASK = DATAFLASH_CHIPCS_MASK; - DATAFLASH_CHIPCS_PORT.PIN0CTRL = PORT_INVEN_bm; - - PORTC.REMAP |= PORT_USART0_bm; + DATAFLASH_CHIPCS_PORT.PIN0CTRL = PORT_INVEN_bm; + + SerialSPI_Init(&USARTC0, (USART_SPI_SCK_LEAD_RISING | USART_SPI_SAMPLE_LEADING | USART_SPI_ORDER_MSB_FIRST), (F_CPU / 2)); + + PORTC.REMAP |= PORT_USART0_bm; + PORTC.DIRSET = PIN7_bm | PIN5_bm; + PORTC.DIRCLR = PIN6_bm; + PORTC.PIN6CTRL = PORT_OPC_PULLUP_gc; } /** Sends a byte to the currently selected dataflash IC, and returns a byte from the dataflash.